03-07-2005 22:20									#1
	Computer question: USB Got spare money?

How do you tell which version of USB you have installed on your computer?

I've looked for it high and low in Settings->Control panel, done a search for "usb" on the C:\ drive and looked into some inf.-files, but I can't find anything on whether it's version 1.1 or 2.0.

I'm happy enough with the speed of my USB-connection, it just irritates me not being able to figure out which version I have.

And also, I bought a new USB 2.0 card with my new scanner, just to be sure that it'd work properly, but if I could somehow determine that I have 2.0 already, I could return the card and get my money back.

	03-07-2005 22:23									#2
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Scan a picture with both USB connections and time it D/Ling?

	03-07-2005 22:24									#3
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Control Panel -> System
On the Hardware Tab, click the Device Manager button

There should be an entry for Universal Serial Bus, and it should say. For example:

Attachment: system.png
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	03-07-2005 22:31									#4
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Start -> Accessories -> System tools -> System information -> Software environment -> System drivers

	03-07-2005 22:32									#5
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Here's what the device manager tells me about the USB controllers. But there's no mention of "2.0" like in Asher's screenshot.

Do ask if you need some of the Danish words translated.

Attachment: untitled 2.jpg
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	03-07-2005 22:34									#6
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Looks like 1.0/1.1

I just googled for SiS 7001.

	03-07-2005 22:41									#7
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In the info that Combat Ingrid directed me to there is mention of 2.0!



Maybe this means I have it?

Screenshot below of part of the [Start -> Accessories -> System tools -> System information -> Software environment -> System drivers] - information. Again, please ask for translation if needed.

Attachment: untitled 5.jpg
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	03-07-2005 22:48									#8
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In the properties for my usbhub.sys file (located in C:\windows\system32\drivers\), it says the file version is

"5.1.2600.1243(xpsp2.030702-2125)"

Doesn't it seem like it's 2.0 from that information?

	03-07-2005 22:53									#9
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And in the properties for my usbport.sys file, located in the same folder, the description is

"USB 1.1 & 2.0 Port Driver"

	03-07-2005 22:54									#10
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Looking at that, chances are you have it

	03-07-2005 23:00									#11
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I have the same USB drivers as in your pic, and I know I have USB 2

	03-07-2005 23:03									#12
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quote: Originally posted by reds4ever Looking at that, chances are you have it

Looks that way to me too. But I don't know anything, so it's nice if you got the same impression.

BTW, I can't compare scanning times like you suggested, as I haven't installed the 2.0 USB card yet. Don't even want to open the packaging if it turns out I have it already.

	03-07-2005 23:07									#13
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quote: Originally posted by Combat Ingrid I have the same USB drivers as in your pic, and I know I have USB 2

Great!

And thanks for pointing it out to me where I'd find them.

I imagine lots of people are unsure of this, it seems a mystery why the information isn't easier to find.

	03-07-2005 23:15									#14
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quote: Originally posted by Winston it seems a mystery why the information isn't easier to find.

Unlike what Asher's pic showed, my device manager refused to give up any information on the USB version

	03-07-2005 23:31									#15
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quote: Originally posted by Asher Looks like 1.0/1.1 I just googled for SiS 7001.

I've got a SIS 7001 based board and I'm sure its 2.0, lemme check....

	03-07-2005 23:34									#16
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quote: Originally posted by reds4ever I've got a SIS 7001 based board and I'm sure its 2.0, lemme check....

Excellent, then.

	03-07-2005 23:37									#17
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Nah, I've checked it's just my USB controllers come up as SIS 7001 for some reeson. My mobo SIS 741 and USB2.0

	14-07-2005 21:18									#18
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OK, I got the new scanner installed which made me ask the USB question, it's working fine, and I'm happy.

On top of that, I'm now 100% convinced that I do in fact have USB 2.0, or should I say used to have it...

Because after having installed the scanner, my USB connection is now 6-8 times slower than it used to be, which suggests it's somehow reverted itself to version 1.1.

Today I tried burning a couple of DVD's on my external burner, a process which normally takes about 15 minutes, and now it was 85 minutes for each of the two DVD's. This was the first time I burned after installing the scanner, and I'm using the same media, settings etc.

And when I turn on my external burner, I get a Windows message that a high-speed USB device is using a low-speed hub, which I never got before. I'm using the same hub as always, and even when I tried one of the plugs on front of my computer cabinet, it was the same. (This message doesn't lead to a solution to the problem, it just suggests to try a different port/hub for the burner.)

Trying to update the driver for the burner didn't help either. It said it had the newest driver available on the CD.

This is most exasperating. What do I do to get my burner up to its old speed?